{ "id": "CVE-2024-42134", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-07-30T08:15:05.360", "lastModified": "2024-12-11T17:19:26.307", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-pci: Check if is_avq is NULL\n\n[bug]\nIn the virtio_pci_common.c function vp_del_vqs, vp_dev->is_avq is involved\nto determine whether it is admin virtqueue, but this function vp_dev->is_avq\n may be empty. For installations, virtio_pci_legacy does not assign a value\n to vp_dev->is_avq.\n\n[fix]\nCheck whether it is vp_dev->is_avq before use.\n\n[test]\nTest with virsh Attach device\nBefore this patch, the following command would crash the guest system\n\nAfter applying the patch, everything seems to be working fine." }, { "lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: virtio-pci: compruebe si is_avq es NULL [error] En la funci\u00f3n virtio_pci_common.c vp_del_vqs, vp_dev->is_avq participa para determinar si es admin virtqueue, pero esta funci\u00f3n vp_dev ->is_avq puede estar vac\u00edo. Para instalaciones, virtio_pci_legacy no asigna un valor a vp_dev->is_avq. [arreglo] Verifique si es vp_dev->is_avq antes de usarlo. [prueba] Prueba con virsh Adjuntar dispositivo Antes de este parche, el siguiente comando bloquear\u00eda el sistema invitado. Despu\u00e9s de aplicar el parche, todo parece estar funcionando bien." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.9.9", "matchCriteriaId": "EDD11F94-D8F3-477D-931C-7806D6E5D6D3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/5e2024b0b9b3d5709e3f7e9b92951d7e29154106", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/c8fae27d141a32a1624d0d0d5419d94252824498", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5e2024b0b9b3d5709e3f7e9b92951d7e29154106", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/c8fae27d141a32a1624d0d0d5419d94252824498", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }